Is it possible to replace a function in php (such as mail) and make it do something else?

Question

I want to rewrite a function in PHP (let\'s say the mail() function), and want to make it so when I call mail() from now on, it will load my version of mail() and not the de

Answer 1

You can use regexps to replace the function name in your files. What app you use is up to you, but I'd recommend the ovely-pricey Powergrep (unless you won't need it again).

replace

   (\s+)mail([\s(]+)

to

   $1new_function_name$2

and

   ^mail([\s(]+)

to

   new_function_name$1

Sorry for my regexp-fu, I don't know how to search for either spaces OR begining of line in one expression.